@sam Librem.one has an interesting approach where the same account can be used for mastodon, email, matrix. You'll need all services hosted in the same place. I don't know what they do in the backend, but is this something you were thinking of?
Librem Social is an opt-in public network. Messages are shared under Creative Commons BY-SA 4.0 license terms. Policy. Stay safe. Please abide by our code of conduct. (Source code)
